The commercial rentals in the country have not seen vibrancy this quarter as some localities have witnessed rental price correction in Q1-12 when compared to Q1-11. However, the southern part of the country, and some localities in Delhi and Mumbai did see per square feet growth figures over a period of one year. Overall commercial rentals in Mumbai saw 2% increase in commercial rentals, Bangalore saw 3% growth and Delhi de-grew by 7% over the last one year. These are the findings of a study by property portal 99acres.com.